Review of Allied Princess

Basic specs.

sail specifications
The Allied Princess is a sailboat.

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The boat can enter even shallow marinas as the draft is just about 1.37 - 1.47 meter (4.49 - 4.79 ft) dependent on the load.


The boat is typically equipped with an engine.

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

Theoretical Maximum Hull Speed

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 7.0 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

D/L (Displacement Length Ratio)

What is Displacement Length Ratio?

The DL-ratio for Allied Princess is 309 which categorizes this boat among 'medium weight cruisers'.

Heavy Light 27% 0 50 100
27% of all similar sailboat designs are categorized as heavier. A heavy displacement combined with smaller water plane area has lower acceleration and is more comfortable.

SA/D (Sail Area Displacement ratio)

What is SA/D (Sail Area Displacement ratio)?

The SA/D for Allied Princess with ISO 8666 reference sail is 13.8, with a 135% genua the SA/D is 16.2.

Low High 15% 0 50 100
The SA/D ratio indicates that it is faster than 15% of all similar sailboat designs in light wind.



Dimensions of sail.

mainsail specifications headsail specifications

Are your sails worn out? You might find your next sail here: Sails for Sale

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

Guiding dimensions of running rig
Mainsail halyard 28.7 m(94.2 feet)12 mm(1/2 inch)
Jib/genoa halyard28.7 m(94.2 feet)12 mm(1/2 inch)
Spinnaker halyard28.7 m(94.2 feet)12 mm(1/2 inch)
Jib sheet 11.0 m(36.0 feet)14 mm(0.55 inch)
Genoa sheet11.0 m(36.0 feet)14 mm(0.55 inch)
Mainsheet 27.4 m(90.0 feet)14 mm(0.55 inch)
Spinnaker sheet24.1 m(79.2 feet)14 mm(0.55 inch)
Cunningham4.3 m(14.0 feet)12 mm(1/2 inch)
Kickingstrap8.5 m(28.0 feet)12 mm(1/2 inch)
Clew-outhaul8.5 m(28.0 feet)12 mm(1/2 inch)

Boat owner's ideas

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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